Programming code in WordPress Post

Use programming code inside per tag for indentation and looks better. Change below symbol into HTML Entity Number.

< = &lt; or &#60;
> = &gt; or &#62;
/ = &#47;   
] = &#93;
[ = &#91;
" = &quot; or &#34;
' = &#39;
“ = &ldquo; or &#8220;
” = &rdquo; or &#8220;
‘ = &lsquo; or &#8216;
’ = &rsquo; or &#8217;
& = &amp; or &#38;